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Castelli Fly Thermal Jacket Blue
Castelli Fly Thermal Jacket Black
Castelli Fly Thermal Jacket Blue rear
Castelli Fly Thermal Jacket Blue close up of collar
Castelli Fly Thermal Jacket Blue side pocket
Castelli Fly Thermal Jacket Blue close up of pocket
Castelli Fly Thermal Jacket Black close up of collar
Castelli Fly Thermal Jacket Black rear pocket
Castelli Fly Thermal Jacket Black close up of zipper
Castelli Fly Thermal Jacket Black rear
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CASTELLI Fly Thermal Jacket

Original price was: $449.99.Current price is: $337.49.

Ultra-lightweight Castelli Fly Thermal Jacket offers warmth, wind protection, and secure storage with sustainable materials.
Free standard shipping Canada-wide over $100
30-day returns on eligible unused items
Ships from Guelph, Ontario

Decision guidance

Is this right for you?

Best For

Ideal for cyclists seeking a lightweight, warm, and windproof jacket for cold weather rides between 0°C and 12°C (32°F - 54°F).

What to Know

Tailored fit with elastic and silicone at the waist to keep the jacket securely in place without restricting movement.

Why We'd Choose It

Choose this jacket for its innovative combination of lightweight warmth, windproof and water-resistant protection, sustainable recycled materials, and practical storage options.

At a glance

Product facts

Fit
Tailored
Conditions
0°C - 12°C / 32°F - 54°F
Use
Cold weather cycling
Key feature
Lightweight Castelli FLY Fabric with GORE-TEX INFINIUM™ WINDSTOPPER®
Product Story

Product details

Lightweight Warmth and Protection

The Castelli Fly Thermal Jacket features a super-lightweight construction that delivers remarkable warmth and protection from the elements. It uses Castelli FLY Fabric Technologies (FFT) including a GORE-TEX INFINIUM™ WINDSTOPPER® inner lining that blocks wind while maintaining breathability.

Sustainable and Functional Design

Crafted from 100% recycled post-consumer materials, the jacket incorporates CLIMA SL insulation for extra warmth and a FLY SL shell that repels wind and light rain. Practical details include a top and bottom-opening YKK® Vislon® zipper, three back pockets plus a zippered security pocket for valuables, and an elastic silicone gripper at the waist to keep the jacket in place.

Enhanced Safety and Fit

Reflective tabs increase visibility in low-light conditions, ensuring added safety during rides. The tailored fit and silicone waist gripper provide a secure, comfortable fit for cycling.

Key Specs

Specs

Weight 350 g Lightweight construction
Temperature Range 0°C - 12°C / 32°F - 54°F Recommended operating temperature
Materials 100% recycled post-consumer outer shell and lining Sustainable fabric choice
Inner Lining GORE-TEX INFINIUM™ WINDSTOPPER® Windproof and breathable
Insulation CLIMA SL Provides extra warmth and breathability
Storage 3 back pockets plus 1 zippered security pocket Ample storage for valuables
Questions & answers

Common questions

What temperature range is the Fly Thermal Jacket suitable for?

The jacket is designed for temperatures between 0°C and 12°C (32°F - 54°F).

Is the Fly Thermal Jacket windproof and water-resistant?

Yes, it features a GORE-TEX INFINIUM™ WINDSTOPPER® lining for windproofing and a FLY SL shell treated to shed water and protect against light rain.

Does the jacket have pockets for storage?

Yes, it includes three back pockets and an additional zippered security pocket for valuables.

What materials are used in the Fly Thermal Jacket?

The jacket is made from 100% recycled post-consumer outer shell and lining materials.

How does the jacket stay in place during rides?

An elastic band with a silicone gripper at the waist keeps the jacket securely in place.

Delivery & Returns

What to expect

Shipping

Free standard Canada-wide shipping over $100 before tax.

Returns

30-day returns for eligible unused items.

Ships from

Ships from Guelph, Ontario
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